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/*
* TeleStax, Open Source Cloud Communications
* Copyright 2012, Telestax Inc and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.protocols.ss7.cap.isup;
import java.io.IOException;
import javolution.xml.XMLFormat;
import javolution.xml.stream.XMLStreamException;
import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.cap.api.CAPException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.cap.api.isup.GenericNumberCap;
import org.mobicents.protocols.ss7.cap.primitives.CAPAsnPrimitive;
import org.mobicents.protocols.ss7.isup.ParameterException;
import org.mobicents.protocols.ss7.isup.impl.message.parameter.GenericNumberImpl;
import org.mobicents.protocols.ss7.isup.message.parameter.GenericNumber;
/**
*
*
* @author sergey vetyutnev
* @author tamas gyorgyey
*/
public class GenericNumberCapImpl implements GenericNumberCap, CAPAsnPrimitive {
public static final String _PrimitiveName = "GenericNumberCap";
private static final String ISUP_GENERIC_NUMBER_XML = "genericNumber";
private byte[] data;
public GenericNumberCapImpl() {
}
public GenericNumberCapImpl(byte[] data) {
// TODO: should use setData(byte[]), but omitted for now to keep no-throws constructor. Check performed in #encodeData(AsnOutputStream).
this.data = data;
}
public GenericNumberCapImpl(GenericNumber genericNumber) throws CAPException {
setGenericNumber(genericNumber);
}
public void setGenericNumber(GenericNumber genericNumber) throws CAPException {
if (genericNumber == null)
throw new CAPException("The genericNumber parameter must not be null");
try {
setData(((GenericNumberImpl) genericNumber).encode());
} catch (ParameterException e) {
throw new CAPException("ParameterException when encoding genericNumber: " + e.getMessage(), e);
}
}
private void setData(byte[] data) throws CAPException {
if (data == null)
throw new CAPException("Generic Number data field must not be null");
if (data.length < 3 || data.length > 11)
throw new CAPException("Generic Number data field length must be from 3 to 11 octets. Provided octets: " + data.length);
this.data = data;
}
@Override
public byte[] getData() {
return data;
}
@Override
public GenericNumber getGenericNumber() throws CAPException {
if (this.data == null)
throw new CAPException("The data has not been filled");
try {
GenericNumberImpl ocn = new GenericNumberImpl();
ocn.decode(this.data);
return ocn;
} catch (ParameterException e) {
throw new CAPException("ParameterException when decoding GenericNumber: " + e.getMessage(), e);
}
}
@Override
public int getTag() throws CAPException {
return Tag.STRING_OCTET;
}
@Override
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
@Override
public boolean getIsPrimitive() {
return true;
}
@Override
public void decodeAll(AsnInputStream ansIS) throws CAPParsingComponentException {
try {
int length = ansIS.readLength();
this._decode(ansIS, length);
} catch (IOException e) {
throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (CAPParsingComponentException e) {
throw new CAPParsingComponentException("MAPParsingComponentException when decoding " + _PrimitiveName + ": "
+ e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter);
}
}
@Override
public void decodeData(AsnInputStream ansIS, int length) throws CAPParsingComponentException {
try {
this._decode(ansIS, length);
} catch (IOException e) {
throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (CAPParsingComponentException e) {
throw new CAPParsingComponentException("MAPParsingComponentException when decoding " + _PrimitiveName + ": "
+ e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ansIS, int length) throws CAPParsingComponentException, IOException, AsnException {
try {
setData(ansIS.readOctetStringData(length));
} catch (CAPException e) {
throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
}
}
@Override
public void encodeAll(AsnOutputStream asnOs) throws CAPException {
this.encodeAll(asnOs, this.getTagClass(), this.getTag());
}
@Override
public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws CAPException {
try {
asnOs.writeTag(tagClass, true, tag);
int pos = asnOs.StartContentDefiniteLength();
this.encodeData(asnOs);
asnOs.FinalizeContent(pos);
} catch (AsnException e) {
throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
}
}
@Override
public void encodeData(AsnOutputStream asnOs) throws CAPException {
// note: if GenericNumberCapImpl(byte[]) threw a CAPException for invalid data, we wouldn't have to check here.
setData(this.data); // reset the same value to perform validity checks
asnOs.writeOctetStringData(data);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(_PrimitiveName);
sb.append(" [");
if (this.data != null) {
sb.append("data=[");
sb.append(printDataArr(this.data));
sb.append("]");
try {
GenericNumber gn = this.getGenericNumber();
sb.append(", ");
sb.append(gn.toString());
} catch (CAPException e) {
}
}
sb.append("]");
return sb.toString();
}
private String printDataArr(byte[] arr) {
StringBuilder sb = new StringBuilder();
for (int b : arr) {
sb.append(b);
sb.append(", ");
}
return sb.toString();
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat GENERIC_NUMBER_CAP_XML = new XMLFormat(
GenericNumberCapImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, GenericNumberCapImpl genericNumber)
throws XMLStreamException {
try {
genericNumber.setGenericNumber(xml.get(ISUP_GENERIC_NUMBER_XML, GenericNumberImpl.class));
} catch (CAPException e) {
throw new XMLStreamException(e);
}
}
@Override
public void write(GenericNumberCapImpl genericNumber, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
try {
xml.add(((GenericNumberImpl) genericNumber.getGenericNumber()), ISUP_GENERIC_NUMBER_XML,
GenericNumberImpl.class);
} catch (CAPException e) {
throw new XMLStreamException(e);
}
}
};
}
